# Copy it to /etc/system/systemd/ and make executable (chmod +x)

[Unit]
Description=Zero storage captcha service
After=network.target

[Service]
Type=idle
User=nobody
# Change path and parameters to actual:
ExecStart=/path/to/zsc-daemon -a 127.0.0.1 -p 7696 -t 4
# To run on non-GUI system:
Environment=QT_QPA_PLATFORM=offscreen
Restart=on-failure

[Install]
WantedBy=multi-user.target